Bump copy-props from 2.0.4 to 2.0.5 (#103)

Bumps [copy-props](https://github.com/gulpjs/copy-props) from 2.0.4 to 2.0.5.
- [Release notes](https://github.com/gulpjs/copy-props/releases)
- [Changelog](https://github.com/gulpjs/copy-props/blob/master/CHANGELOG.md)
- [Commits](https://github.com/gulpjs/copy-props/compare/2.0.4...2.0.5)

---
updated-dependencies:
- dependency-name: copy-props
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "responsive-html-email-signature",
-  "version": "6.0.2",
+  "version": "6.1.0",
   "description": "Responsive template for emails & email signatures.",
   "main": "index.js",
   "repository": {
@@ -53,7 +53,7 @@
     "gulp-rename": "^2.0.0",
     "gulp-sass": "^4.1.0",
     "klaw": "^3.0.0",
-    "node-sass": "^4.14.1",
+    "node-sass": "^7.0.0",
     "plugin-error": "^1.0.1",
     "through2": "^2.0.5"
   },